docs: Remove orphan tag from all pages

This is not needed anymore as all documented are part of the index
diff --git a/doc/source/artifacts.rst b/doc/source/artifacts.rst
index acad7e1..d0ff9fb 100644
--- a/doc/source/artifacts.rst
+++ b/doc/source/artifacts.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _artifacts:
 
diff --git a/doc/source/cachekeys.rst b/doc/source/cachekeys.rst
index 9336b7b..4458d88 100644
--- a/doc/source/cachekeys.rst
+++ b/doc/source/cachekeys.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _cachekeys:
 
diff --git a/doc/source/config.rst b/doc/source/config.rst
index 8a8035d..3787e7a 100644
--- a/doc/source/config.rst
+++ b/doc/source/config.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _config:
 
diff --git a/doc/source/docker.rst b/doc/source/docker.rst
index e263937..5c7a0d2 100644
--- a/doc/source/docker.rst
+++ b/doc/source/docker.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _docker:
 
diff --git a/doc/source/format.rst b/doc/source/format.rst
index 36467f9..1a6fdc3 100644
--- a/doc/source/format.rst
+++ b/doc/source/format.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _format:
 
diff --git a/doc/source/formatintro.rst b/doc/source/formatintro.rst
index f3e7a28..27f4830 100644
--- a/doc/source/formatintro.rst
+++ b/doc/source/formatintro.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _formatintro:
 
diff --git a/doc/source/install.rst b/doc/source/install.rst
index 13b68ad..8735a5b 100644
--- a/doc/source/install.rst
+++ b/doc/source/install.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _installing:
 
diff --git a/doc/source/invoking.rst b/doc/source/invoking.rst
index 2f96802..14a8fe2 100644
--- a/doc/source/invoking.rst
+++ b/doc/source/invoking.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _invoking:
 
diff --git a/doc/source/main_authoring.rst b/doc/source/main_authoring.rst
index 858b38b..04a968e 100644
--- a/doc/source/main_authoring.rst
+++ b/doc/source/main_authoring.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 
 .. _main_authoring:
diff --git a/doc/source/main_core.rst b/doc/source/main_core.rst
index 6fbcbe1..d6c0426 100644
--- a/doc/source/main_core.rst
+++ b/doc/source/main_core.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 
 .. _main_core:
diff --git a/doc/source/main_using.rst b/doc/source/main_using.rst
index 8af794d..1321278 100644
--- a/doc/source/main_using.rst
+++ b/doc/source/main_using.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 
 .. _main_using:
diff --git a/doc/source/projectconf.rst b/doc/source/projectconf.rst
index 8ee9395..32e007d 100644
--- a/doc/source/projectconf.rst
+++ b/doc/source/projectconf.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _projectconf:
 
diff --git a/doc/source/projectrefs.rst b/doc/source/projectrefs.rst
index 557f8c5..12d722d 100644
--- a/doc/source/projectrefs.rst
+++ b/doc/source/projectrefs.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 
 .. _projectrefs:
diff --git a/doc/source/public.rst b/doc/source/public.rst
index b9468cb..4b3383d 100644
--- a/doc/source/public.rst
+++ b/doc/source/public.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _public:
 
diff --git a/doc/source/sandboxing.rst b/doc/source/sandboxing.rst
index a5f4099..531a3e5 100644
--- a/doc/source/sandboxing.rst
+++ b/doc/source/sandboxing.rst
@@ -1,4 +1,3 @@
-:orphan:
 
 .. _sandboxing: