[pitivi] Update .gitignore

[Alexandru Băluț <alexbalut src gnome org>]

commit 54ada11fc506128f3007118aa78de1994ebc77ad
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Mon Jan 6 01:55:48 2020 +0100

    Update .gitignore

 .gitignore | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 1545afcd..c782e782 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
-# Development environments
 # Vim
 *~
+
 # PyCharm
 .idea
 
@@ -9,6 +9,7 @@
 .pydevproject
 .settings/
 
+
 # Generated by configure
 mesonbuild/
 Makefile
@@ -26,11 +27,12 @@ help/index.cache
 # Generated when running the project
 *.pyc
 
-# xdg-app/flatpak
+# flatpak
 .bashrc
-*.flatpak-builder/
+build/flatpak/.flatpak-builder/
 build/flatpak/Pitivi.*.json
-build/flatpak/pyvenv/*
 build/devel/
-docs/output/*
-docs/hotdoc-private-Pitivi-1.0/*
+
+# Hotdoc
+docs/output/
+docs/hotdoc-private-*/