changes to add new support functions as per #106

[gilesknap]

See issue at #106

[codecov-commenter]

Codecov Report

Merging #107 (b1a061b) into main (cbbe52a) will decrease coverage by 22.83%.
The diff coverage is 47.23%.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

@@             Coverage Diff             @@
##             main     #107       +/-   ##
===========================================
- Coverage   99.28%   76.46%   -22.83%     
===========================================
  Files           9       15        +6     
  Lines         418      701      +283     
===========================================
+ Hits          415      536      +121     
- Misses          3      165      +162     

Files Changed	Coverage Δ
src/ibek/ioc_cmds/docker.py	15.78% <15.78%> (ø)
src/ibek/support_cmds/checks.py	19.56% <19.56%> (ø)
src/ibek/support_cmds/files.py	50.00% <50.00%> (ø)
src/ibek/support_cmds/commands.py	50.57% <50.57%> (ø)
src/ibek/ioc_cmds/commands.py	59.45% <59.45%> (ø)
src/ibek/globals.py	96.42% <94.73%> (-3.58%)	⬇️
src/ibek/__main__.py	100.00% <100.00%> (ø)
src/ibek/startup_cmds/commands.py	100.00% <100.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more