feat: summarize g2p errors in assemble and on the CLI

[joanise]

PR Goal?

In assemble, just list the words that could not be g2p'd, so the error message shown to the user in Studio-Web is legible.

In the CLI, add a summary list of the words that could not be g2p's in the error message.

Fixes?

Unreadably verbose errors shown to users in Studio-Web when some tokens cannot be g2p'd.

Feedback sought?

sanity checking

Priority?

before ICLDC ideally

Tests added?

yes

How to test?

In Studio:

./run_web_api.sh

In Studio-Web:

npx nx build web-component
npx nx serve studio-web

Navigate to http://localhost:4200/ and put non-g2p-able text like 54:23 1223:563 54:23 and see the nice and sweet error message like this when you click on next step:

Confidence?

high

Version change?

Before ICLDC, I might choose to bump Studio's version to 1.2.2 with the several little patches we've done recently.

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
readalongs/text/make_package.py	81% smaller
readalongs/align_utils.py	73% smaller
readalongs/cli.py	68% smaller
test/test_web_api.py	14% smaller
readalongs/text/convert_xml.py	1% smaller
readalongs/web_api.py	0% smaller
test/test_g2p_cli.py	0% smaller

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.44%. Comparing base (34c76da) to head (89aa16c).

Additional details and impacted files

@@                      Coverage Diff                      @@
##           dev.ej/timelimit-assemble     #263      +/-   ##
=============================================================
+ Coverage                      88.41%   88.44%   +0.03%     
=============================================================
  Files                             22       22              
  Lines                           1864     1869       +5     
  Branches                         338      339       +1     
=============================================================
+ Hits                            1648     1653       +5     
  Misses                           179      179              
  Partials                          37       37              

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