seva-launcher: Skip url redirect

So long as the web interface is being generated with flutter we can skip
the redirect and go straight to /#/ .

Signed-off-by: Randolph Sapp <[email protected]>

seva-launcher: Fix the container ID being lost

If this is the first time a user is launching a container then the noise
from the pull command's output will break the container ID grabbing
mechanism.

Signed-off-by: StaticRocket <[email protected]>

seva-web: Use card view for application selection

Purely aesthetic changes.

Signed-off-by: StaticRocket <[email protected]>

all: Rework websocket interfaceo

Rework the websocket interface to be a little more stateless, using
command + arguments in a single JSON burst and echoing that back with
the results. Not that it really matters since we only allow one
connection at at time.

Signed-off-by: StaticRocket <[email protected]>

seva-web: Makefile: Don't rely on external JS

Change web renderer to html so that external JS isn't pulled at runtime.
This helps with speed and will be necessary when offline support is
added.

Signed-off-by: Randolph Sapp <[email protected]>

seva-launcher: Replace all fatal logs

Replace all fatal log exits with normal log and graceful exit.

Signed-off-by: StaticRocket <[email protected]>

seva-launcher: Makefile: Cross compile properly

Signed-off-by: StaticRocket <[email protected]>

workflows: Only run on new tags

Signed-off-by: StaticRocket <[email protected]>

Proof of concept release