PARQUET-1777: add Parquet logos
Make sure you have checked _all_ steps below.
### Jira
- [x] My PR addresses [Parquet-1777 Jira](https://issues.apache.org/jira/browse/PARQUET-1777)
- https://issues.apache.org/jira/browse/PARQUET-1777
- no extra dependencies
### Commits
- [x] My commits all reference Jira issues in their subject lines. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
1. Subject is separated from body by a blank line
1. Subject is limited to 50 characters (not including Jira issue reference)
1. Subject does not end with a period
1. Subject uses the imperative mood ("add", not "adding")
1. Body wraps at 72 characters
1. Body explains "what" and "why", not "how"
### Documentation
- [x] No new functionality
Closes #157 from julienledem/add_logos and squashes the following commits:
0fa4af7 <Julien Le Dem> add license headers
af066d0 <Julien Le Dem> add Parquet logos
Authored-by: Julien Le Dem <julien@apache.org>
Signed-off-by: Uwe L. Korn <uwelk@xhochy.com>
diff --git a/logo/parquet-logos.pdf b/logo/parquet-logos.pdf
new file mode 100644
index 0000000..8602b99
--- /dev/null
+++ b/logo/parquet-logos.pdf
Binary files differ
diff --git a/logo/parquet-logos_1.svg b/logo/parquet-logos_1.svg
new file mode 100644
index 0000000..ebbee72
--- /dev/null
+++ b/logo/parquet-logos_1.svg
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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" xmlns:xlink="http://www.w3.org/1999/xlink" width="1000pt" height="1000pt" viewBox="0 0 1000 1000" version="1.1">
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diff --git a/logo/parquet-logos_2.svg b/logo/parquet-logos_2.svg
new file mode 100644
index 0000000..5555fe1
--- /dev/null
+++ b/logo/parquet-logos_2.svg
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
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diff --git a/logo/parquet-logos_3.svg b/logo/parquet-logos_3.svg
new file mode 100644
index 0000000..9c84abb
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+++ b/logo/parquet-logos_3.svg
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
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