Allow "status" and "severity" on In record init

[AlexanderWells-diamond]

This PR allows users to specify severity and status on record initialization, with values from the softioc.alarm module.

Note that "PINI" is set to "YES" by default, which means that the alarm status is immediately reset when the IOC is initialized. I'm not sure if we need to do anything fancy like disable "PINI" when we spot a status or severity keyword?

Closes #57

[codecov]

Codecov Report

Merging #111 (dc4a63f) into master (3f0ec72) will decrease coverage by 0.60%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #111      +/-   ##
==========================================
- Coverage   87.64%   87.03%   -0.61%     
==========================================
  Files          14       14              
  Lines         963      972       +9     
==========================================
+ Hits          844      846       +2     
- Misses        119      126       +7     

Impacted Files	Coverage Δ
softioc/builder.py	97.56% <100.00%> (+0.14%)	⬆️
softioc/device.py	95.60% <0.00%> (-2.81%)	⬇️

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[github-actions]

Unit Test Results

     15 files  ±    0       15 suites  ±0   29m 51s ⏱️ - 1m 5s
   247 tests +  17     241 ✔️ +  17      6 💤 ±0  0 ❌ ±0 
3 705 runs  +255  3 265 ✔️ +255  440 💤 ±0  0 ❌ ±0 

Results for commit dc4a63f. ± Comparison against base commit 3f0ec72.

This pull request removes 1 and adds 18 tests. Note that renamed tests count towards both.

tests.test_records ‑ test_DISP_defaults_on

tests.test_records ‑ test_DISP_defaults_on[Waveform]
tests.test_records ‑ test_DISP_defaults_on[aIn]
tests.test_records ‑ test_DISP_defaults_on[boolIn]
tests.test_records ‑ test_DISP_defaults_on[longIn]
tests.test_records ‑ test_DISP_defaults_on[mbbIn]
tests.test_records ‑ test_DISP_defaults_on[stringIn]
tests.test_records ‑ test_setting_alarm_in_records[Waveform]
tests.test_records ‑ test_setting_alarm_in_records[aIn]
tests.test_records ‑ test_setting_alarm_in_records[boolIn]
tests.test_records ‑ test_setting_alarm_in_records[longIn]
…

♻️ This comment has been updated with latest results.

[Araneidae]

Looks pretty straightforward. Probably worth making the one mentioned change.