Allow app-name configuration to change the name of the PWA

[Lan-Hekary]

Fixes #
if I have multiple instances for code-server running for every user and I want to install the PWA the name currently defaults to "code-server" which overrides the desktop shortcut.
This fix allows multiple instances to be installed with customizable names.

[code-asher]

Thank you!

[codecov]

Codecov Report

Merging #6093 (c0b58ba) into main (d477972) will decrease coverage by 0.12%.
The diff coverage is 50.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6093      +/-   ##
==========================================
- Coverage   73.12%   73.00%   -0.12%     
==========================================
  Files          30       30              
  Lines        1704     1708       +4     
  Branches      374      377       +3     
==========================================
+ Hits         1246     1247       +1     
- Misses        383      385       +2     
- Partials       75       76       +1     

Impacted Files	Coverage Δ
src/node/routes/vscode.ts	36.70% <0.00%> (-0.48%)	⬇️
src/node/proxy.ts	83.33% <60.00%> (-16.67%)	⬇️

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[luc-vocab]

@Lan-Hekary how does one customize the PWA app name using this code change ? is it a command line argument ?

[Lan-Hekary]

Yes, there are two ways to achieve it.
The easiest way is to add it to config.yaml, like this ==> app-name : "Your name"
and then restart code-server.

The other is, like you said, to pass it as command line line argument --app-name "Yourname"
but in order to make this change permanently if you have it running as a service is a little complex.

For example, for a user named ubuntu:
you have to modify the service to add the argument by executing this :
sudo systemctl edit code-server@ubuntu.service
And type :

[Service]
ExecStart=
ExecStart=/usr/bin/code-server --app-name "Yourname"

you have to clear ExecStart before setting it to a new value.

you may want to add environment variables too, like Password or hashed password under [Service]
Environment=HASHED_PASSWORD=blablabla

See this for reference on how to generate it.
https://github.com/coder/code-server/blob/main/docs/FAQ.md#can-i-store-my-password-hashed