Major version upgrades

Closes e/backlog#2523

See merge request e/os/LineageOTA!14

Akhil authored Mar 08, 2021 and Arnau Vàzquez committed Mar 08, 2021

- Trim down API responses to leave out older builds (filtered client-side).

Api improvements

See merge request e/os/LineageOTA!13

See merge request e/os/LineageOTA!10

# Conflicts:
#   src/Helpers/Builds.php

2035 hotfix show only the last update

Closes e/backlog#2035

See merge request e/os/LineageOTA!12

Remove img

See merge request e/os/LineageOTA!11

Signed-off-by: Arnau Vàzquez Palma <arnauvp@e.email>

# Conflicts:
#	composer.json
#	index.php
#	src/Helpers/Build.php

Resolve "Return only updates from the same Android version"

Closes #10

See merge request e/os/LineageOTA!9

...to allow for more than "cm" and "lineage" as the ROM names.

The conditions removed were just dealing with a special case due to Cyanogen/Lineage channel difference that are not relevant for us and are hindering unoffical builds (build as per directions in wiki) to properly receive OTAs (from a custom OTA server).