git flow: add page (#3775)

* Create git-flow.md

* Update pages/common/git-flow.md

Co-Authored-By: Iván Hernández Cazorla <ivan@ivanhercaz.com>

* Update pages/common/git-flow.md

Co-Authored-By: Iván Hernández Cazorla <ivan@ivanhercaz.com>

* Update pages/common/git-flow.md

Co-Authored-By: Iván Hernández Cazorla <ivan@ivanhercaz.com>

* Update pages/common/git-flow.md

Co-Authored-By: Iván Hernández Cazorla <ivan@ivanhercaz.com>

* Update pages/common/git-flow.md

Co-Authored-By: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>

* Update pages/common/git-flow.md

Co-Authored-By: Iván Hernández Cazorla <ivan@ivanhercaz.com>

* Update git-flow.md

Co-authored-by: Iván Hernández Cazorla <ivan@ivanhercaz.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>

pages/common/git-flow.md

@@ -0,0 +1,24 @@
+# git flow
+
+> A collection of Git extensions to provide high-level repository operations.
+> More information: <https://github.com/nvie/gitflow>.
+
+- Initialize it inside an existing git repository:
+
+`git flow init`
+
+- Start developing on a feature branch based on `develop`:
+
+`git flow feature start {{feature}}`
+
+- Finish development on a feature branch, merging it into the `develop` branch and deleting it:
+
+`git flow feature finish {{feature}}`
+
+- Publish a feature to the remote server:
+
+`git flow feature publish {{feature}}`
+
+- Get a feature published by another user:
+
+`git flow feature pull origin {{feature}}`