fix: space out properly and rearrange into section

Summary:
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Pull Request resolved: #8986

Reviewed By: mroch

Differential Revision: D42608243

Pulled By: SamChou19815

fbshipit-source-id: 7957058e560b368c3e3c05e9ff4a9987b2f6d098

Author: rockyessel

.gitignore

@@ -1,30 +1,35 @@
-*TAGS
-_build
-/_opam
-/dist
-/_obuild
-/.ocp
-/lib/INDEX
-.DS_STORE
 docs/_site/
-_site/
-/bin
 npm-debug.log
-/node_modules/
-/tests/*/*.err
+flow.odocl
+flow.docdir
+
+.DS_STORE
+.vscode/
+.merlin
+
 *.swp
 *.swo
 *.o
 *.a
-flow.odocl
-flow.docdir
+*TAGS
 *~
-/hack/utils/get_build_id.gen.c
-/flowlib.rc
-.merlin
-/test-results
 *.log
 *.cache
-.vscode/
+
+/_opam
+/dist
+/_obuild
+/.ocp
+/lib/INDEX
+/test-results
+/hack/utils/get_build_id.gen.c
+/flowlib.rc
+/node_modules/
+/tests/*/*.err
+/bin
+
+_build
+_site/
+
 # This is an alias of flow-remove-types that we generate during publishing
 /packages/flow-node