roadmap: Add CLI release 0.15.0.5

Closes #1073

See merge request !1262

roadmap: resize 'check' emoji

See merge request !1259

Improve 'Developer Guides' page

See merge request !1258

Moneropedia: add 'Pruning'

Closes #1013

See merge request !1256

and link to the Moneropedia entry from the 'Downloads' page

- Split page vertically and add new section: 'External resources'
- Add description for each resource
- Add pics to suggest where the content is located (web page, github, internal doc)

Publish Zero to Monero: Second Edition

See merge request !1267

fix indent

tiny update

add repo link footnote

non-english files dont modify

add repo link to library abstract

user-guides: update fingerprint

See merge request !1266

Update CLSAG paper

See merge request !1265

Fix links to @atomic-unit and remove obsolete note with last update date

Closes #1069

See merge request !1263

README: Add known issue about logging into getmonero GitLab with GitHub OAuth

See merge request !1260

daemon-rpc: remove obsolete note about update height

See merge request !1261

FAQ: remove 'untranslated' snippet

See merge request !1257

Update wallet-rpc.md: add "set_daemon" method.

See merge request !1243

Added documentation for "set_daemon" method to wallet-rpc.md.

Co-authored-by: woodser
Co-authored-by: ericcione

downloads: improve GUI known issue string

See merge request !1255

downloads: add known issue about CLI 0.15.0.5 on ubuntu 16.04

See merge request !1254

Roadmap: new structure

Closes #1057, #1067, and #1070

See merge request !1246

README: update istructions to add a FAQ entry

See merge request !1236

Ported translations for it, fr, de, nl and pt-br

Plus add comments with instructions to update the 'known issues' section

Downloads: Change position of Kastelo banner + Add comments

Closes #1028

See merge request !1249

moneropedia: Fix link to instructions to add a new entry

See merge request !1248

Add 6 new merchants

Closes #1058, #1065, #1059, #1056, #1055, and #1051

See merge request !1244

Downloads: Add problem with Trezor in 'Known Issues'

Closes #1062

See merge request !1241

Add new Moneropedia entry 'Remote Node', edit entry 'Node' and a couple of minor changes

See merge request !1234

Add technical info to 'About' page and remove 'technical specs' page

Closes #1035

See merge request !1225

README: Adapt to new system with Weblate

See merge request !1218