micropython: add micropython component

components/language/micropython/docs/README.md

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+MicroPython Documentation
+=========================
+
+The MicroPython documentation can be found at:
+http://docs.micropython.org/en/latest/
+
+The documentation you see there is generated from the files in the docs tree:
+https://github.com/micropython/micropython/tree/master/docs
+
+Building the documentation locally
+----------------------------------
+
+If you're making changes to the documentation, you may want to build the
+documentation locally so that you can preview your changes.
+
+Install Sphinx, and optionally (for the RTD-styling), sphinx_rtd_theme,
+preferably in a virtualenv:
+
+     pip install sphinx
+     pip install sphinx_rtd_theme
+
+In `micropython/docs`, build the docs:
+
+    make html
+
+You'll find the index page at `micropython/docs/build/html/index.html`.
+
+Having readthedocs.org build the documentation
+----------------------------------------------
+
+If you would like to have docs for forks/branches hosted on GitHub, GitLab or
+BitBucket an alternative to building the docs locally is to sign up for a free
+https://readthedocs.org account. The rough steps to follow are:
+1. sign-up for an account, unless you already have one
+2. in your account settings: add GitHub as a connected service (assuming
+you have forked this repo on github)
+3. in your account projects: import your forked/cloned micropython repository
+into readthedocs
+4. in the project's versions: add the branches you are developing on or
+for which you'd like readthedocs to auto-generate docs whenever you
+push a change
+
+PDF manual generation
+---------------------
+
+This can be achieved with:
+
+    make latexpdf
+
+but require rather complete install of LaTeX with various extensions. On
+Debian/Ubuntu, try (500MB+ download):
+
+    apt-get install texlive-latex-recommended texlive-latex-extra