This updates the documentation to remove the last stray references to
the copaganda Pi. It now uses the the term single-board computer. GtS
can run fine on all kinds of SBCs and isn't limited to that one
particular fruit version.
The current command `create database gotosocial with locale C.UTF-8 template template0;` fails because the locale has to be quoted:
```
postgres=# create database gotosocial with locale C.UTF-8 template template0;
ERROR: syntax error at or near "."
LINE 1: create database gotosocial with locale C.UTF-8 template temp...
```
Tested manually that it works with the quotes and the official postgres examples also use quotes around the locales: https://www.postgresql.org/docs/current/sql-createdatabase.html
* Set default value of SMTPFrom to empty string
This parameter should contain proper e-mail address (to be provided by user during configuration).
* Update default values in example/config.yaml
Default values and related comments in example/config.yaml are aligned
with values defined in internal/config/defaults.go.
Small improvements to foramting of config.yaml file.
* Add default value for AdvancedThrottlingRetryAfter to internal/config/defaults.go
AdvancedThrottlingRetryAfter was introduced in 70739d3 (superseriousbusiness/gotosocial#1466).
* Update config.yaml snippets in documentation
* [chore] set max open / idle conns + conn max lifetime for both postgres and sqlite
* reduce cache size default to 8MiB, reduce connections to 2 * cpu
* introduce max open conns multiplier, tune sqlite and pg separately
* go fmt
* start pulling out + replacing urfave and config
* replace many many instances of config
* move more stuff => viper
* properly remove urfave
* move some flags to root command
* add testrig commands to root
* alias config file keys
* start adding cli parsing tests
* reorder viper init
* remove config path alias
* fmt
* change config file keys to non-nested
* we're more or less in business now
* tidy up the common func
* go fmt
* get tests passing again
* add note about the cliparsing tests
* reorganize
* update docs with changes
* structure cmd dir better
* rename + move some files around
* fix dangling comma
