devices/oneplus3t/README - Custom - TWRP - Recovery: download page formatting

devices/oneplus3t/README - Custom - TWRP - Recovery: device page formatting

devices/oneplus3t/README - Custom - TWRP - APK: fix formatting with links to hash sums

devices/oneplus3t/README - Custom - LaOS - Builds: remove extra new lines to unify formatting

devices/oneplus3t/README - Custom - LaOS - Building: add main link

devices/oneplus3t/README - Custom - LaOS - Links: fill subsection

devices/oneplus3t/README - Custom - LaOS: add Links subsection

devices/oneplus3t/README - Custom - LaOS: fix level of subsections

devices/oneplus3t/README - Custom - LaOS - Builds: fix format for wiki links

devices/oneplus3t/README - Custom - PE - Builds: md5 syntax format

devices/oneplus3t/README - Custom - LaOS - Builds: fix format for downloadable boot and recovery

_config.yml: update include/exclude sections

_config.yml: unify indents and update comments

_config.yml: rename - archive to posts and frontpage to main

/: remove unused /favicon.ico file

_posts/: remove category tag

_posts/: update test posts

_pages/archive.md: update date format

_config.yml: update date format