Merge pull request #365 from igorshubovych/git-rm

git-rm: add page

pages/common/git-rm.md

@@ -0,0 +1,15 @@
+# git rm
+
+> Remove files from repository index and local filesystem
+
+- Remove file from repository index and filesystem
+
+`git rm {{file}}`
+
+- Remove directory
+
+`git rm -r {{directory}}`
+
+- Remove file from repository index but keep it untouched locally
+
+`git rm --cached {{file}}`