feat: pkam refactor and reconnection examples (#281)

* feat: refactiored pkam authenticate

* fix: examples

* chore: remove comments

* fix: rsa sign in pkam authenticate

* test: test_atkey_to_string test 4b

* test:

* fix: syntax error

* chore: format

* feat: atsign proper memory free-ing

* chore: refactor atclient_utils_find_atserver_address

* test: test_atclient_find_atserver_address

* refactor: name of test

* test: add failing test

* docs: monitor.h

* wip:

* chore: .gitignore

* feat: try reconnect

* feat: reconnection example working

* feat: pkam_authenticate_basic and reconnection example working

* fix: set ret =1 on errors

* feat: remove basic pkam auth

* docs:

* chore: remove atsignlen from function signature

* feat: at_talk reconnection demo

* feat: somewhat working reconnection example at_talk

* feat: working reconnection demo at_talk

* chore:

* chore:

* feat: fixed flaky send, not reading completely some times

* fix: failing test

* fix: malloc error

* chore: clean up

* chore: logs

* feat: reconnect clients can fail now

* fix: make ttln duration instead of timestamp

* fix: events examples

* feat: reconnection example

* chore:

* feat: atserver_host null check

* chore: set to null if error

* chore:

* feat: symbolic constants

* feat: handle mbedtls_ssl_read == 0 as an error

* chore: compilation error

.github/workflows/tests.yaml

@@ -76,6 +76,12 @@ jobs:
       
       - name: Build REPL
         working-directory: examples/desktop/repl
+        run: |
+          cmake -S . -B build
+          cmake --build build --target install
+
+      - name: Build reconnection example
+        working-directory: examples/desktop/reconnection
         run: |
           cmake -S . -B build
           cmake --build build --target install