diff --git a/img/calendar-icon.svg b/img/calendar-icon.svg
index 0116e46..52f7739 100644
--- a/img/calendar-icon.svg
+++ b/img/calendar-icon.svg
@@ -1 +1,19 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
 <svg xmlns="http://www.w3.org/2000/svg" width="1792" height="1792" id="calendar"><path fill="#20a7c9" d="m1303 964-512 512q-10 9-23 9t-23-9l-288-288q-9-10-9-23t9-22l46-46q9-9 22-9t23 9l220 220 444-444q10-9 23-9t22 9l46 46q9 9 9 22t-9 23zM128 1664h1408V640H128v1024zM512 448V160q0-14-9-23t-23-9h-64q-14 0-23 9t-9 23v288q0 14 9 23t23 9h64q14 0 23-9t9-23zm768 0V160q0-14-9-23t-23-9h-64q-14 0-23 9t-9 23v288q0 14 9 23t23 9h64q14 0 23-9t9-23zm384-64v1280q0 52-38 90t-90 38H128q-52 0-90-38t-38-90V384q0-52 38-90t90-38h128v-96q0-66 47-113T416 0h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z"></path></svg>
diff --git a/img/check-icon.svg b/img/check-icon.svg
index 858b2d3..af003c4 100644
--- a/img/check-icon.svg
+++ b/img/check-icon.svg
@@ -1,3 +1,21 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
 <svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
 <path fill-rule="evenodd" clip-rule="evenodd" d="M10 0C4.4775 0 0 4.4775 0 10C0 15.5225 4.4775 20 10 20C15.5225 20 20 15.5225 20 10C20 4.4775 15.5225 0 10 0ZM14.65 8.29125L9.5775 13.3625C9.11 13.83 8.35375 13.83 7.88625 13.3625L5.35 10.8275C4.8825 10.3612 4.8825 9.60375 5.35 9.13625C5.8175 8.66875 6.57375 8.66875 7.04125 9.13625L8.7325 10.8275L12.96 6.6C13.4275 6.1325 14.1837 6.1325 14.6512 6.6C15.1187 7.0675 15.1175 7.82375 14.65 8.29125Z" fill="#20A7C9"/>
 </svg>
diff --git a/img/databases/apache-pinot.svg b/img/databases/apache-pinot.svg
index 0d69dd4..d887425 100644
--- a/img/databases/apache-pinot.svg
+++ b/img/databases/apache-pinot.svg
@@ -1,3 +1,21 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
 <?xml version="1.0" encoding="UTF-8"?>
 <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" width="512" height="270" viewBox="0 0 512 270">
   <g id="Page-1">
diff --git a/img/databases/csv.svg b/img/databases/csv.svg
index 792b90d..88d66ea 100644
--- a/img/databases/csv.svg
+++ b/img/databases/csv.svg
@@ -1,3 +1,21 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
 <?xml version="1.0" encoding="UTF-8"?>
 <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" width="512" height="270" viewBox="0 0 512 270">
   <path d="M324.72,93.76h-38.76V55c0-1.65-1.34-2.98-2.98-2.98h-83.49c-1.65,0-2.98,1.34-2.98,2.98v83.49c0,1.65,1.34,2.98,2.98,2.98h80.51v47.71h-80.51c-1.65,0-2.98,1.34-2.98,2.98v23.85c0,1.65,1.34,2.98,2.98,2.98h125.24c1.65,0,2.98-1.34,2.98-2.98V96.74c0-1.65-1.34-2.98-2.98-2.98Z" style="fill: #eee;"/>