add submodule: SVG-Icon-Font-Generator
chore(fs): add and describe svg-text/ directory
chore(clean): remove unknown files
feat(script): add extractor script for unicode/pinyin
feat(template): add template files
docs(unihan): add unihan doc to resources/unihan/
feat(install): start installer script

Fetch and extract Unihan data
docs(project): add files describing project/issue
chore(gitignore): create file
refactor(tpl): rename SVG template file

Signed-off-by: Edouard Lopez <dev+git@edouard-lopez.com>
feat(extractor): check if output file exist before removal
refactor(script): create file with project variables
chore(gitignore): add saxon related files
feat(tpl): remove unnecessary elements, add anchor text/id

* sodipodi tags/attribute
* extra <glyph>
feat(install): add saxon dependency
refactor(install): rm after extract

Also reformat to multiline 'for' loop
style(install): put in a sub-shell to protect prompt
refactor(envrc): add SVG section and use common prefix
feat(install): add saxon global variable
refactor(install): add TMP section, use common prefix dir