fix(router-plugin): expose NGXS_ROUTER_PLUGIN_OPTIONS privately

[arturovt]

This PR exposes some of the internal tokens used inside the Router Plugin in an internals sub-package and with the barred-oh variable name to indicate its private nature. This approach is used because this API is not part of an "official" API that has been committed to by the library and could be changed (within reason) at some point in the future, without being marked as a "breaking change", although this would most likely still be limited to a minor version change to the library.

These tokens have been exposed in order to resolve the reasonable extensibility needs that were raised in PR #2030.

[bundlemon]

BundleMon

Unchanged files (3)

Status	Path	Size	Limits
✅	fesm2015/ngxs-store.js	94.47KB	125KB / +0.5%
✅	fesm2015/ngxs-store-operators.js	6.23KB	15KB / +0.5%
✅	fesm2015/ngxs-store-internals.js	3.57KB	20KB / +0.5%

No change in files bundle size

Unchanged groups (3)

Status	Path	Size	Limits
✅	@ngxs/store(esm2015)[gzip] ./esm2015/**/*.js	180.26KB	+1%
✅	@ngxs/store(umd)[gzip] ./bundles/*.umd.js	36.55KB	+1%
✅	@ngxs/store(fesm2015)[gzip] ./fesm2015/*.js	25.02KB	+1%

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[bundlemon]

BundleMon (NGXS Plugins)

Files added (2)

Status	Path	Size	Limits
✅	Plugins(umd)[gzip] router-plugin/bundles/ngxs-router-plugin-inte rnals.umd.js	+654B	+1%
✅	Plugins(fesm2015)[gzip] router-plugin/fesm2015/ngxs-router-plugin-int ernals.js	+406B	+1%

Files updated (2)

Status	Path	Size	Limits
✅	Plugins(umd)[gzip] router-plugin/bundles/ngxs-router-plugin.umd. js	7.35KB (-67B -0.88%)	+1%
✅	Plugins(fesm2015)[gzip] router-plugin/fesm2015/ngxs-router-plugin.js	3.01KB (-84B -2.65%)	+1%

Unchanged files (12)

Status	Path	Size	Limits
✅	Plugins(umd)[gzip] storage-plugin/bundles/ngxs-storage-plugin.um d.js	7.97KB	+1%
✅	Plugins(umd)[gzip] websocket-plugin/bundles/ngxs-websocket-plugi n.umd.js	6.92KB	+1%
✅	Plugins(umd)[gzip] hmr-plugin/bundles/ngxs-hmr-plugin.umd.js	6.89KB	+1%
✅	Plugins(fesm2015)[gzip] storage-plugin/fesm2015/ngxs-storage-plugin.j s	3.7KB	+1%
✅	Plugins(umd)[gzip] form-plugin/bundles/ngxs-form-plugin.umd.js	3.44KB	+1%
✅	Plugins(umd)[gzip] devtools-plugin/bundles/ngxs-devtools-plugin. umd.js	2.75KB	+1%
✅	Plugins(fesm2015)[gzip] form-plugin/fesm2015/ngxs-form-plugin.js	2.67KB	+1%
✅	Plugins(fesm2015)[gzip] hmr-plugin/fesm2015/ngxs-hmr-plugin.js	2.65KB	+1%
✅	Plugins(fesm2015)[gzip] websocket-plugin/fesm2015/ngxs-websocket-plug in.js	2.59KB	+1%
✅	Plugins(umd)[gzip] logger-plugin/bundles/ngxs-logger-plugin.umd. js	2.53KB	+1%
✅	Plugins(fesm2015)[gzip] devtools-plugin/fesm2015/ngxs-devtools-plugin .js	2.17KB	+1%
✅	Plugins(fesm2015)[gzip] logger-plugin/fesm2015/ngxs-logger-plugin.js	2.01KB	+1%

Total files change +909B +1.56%

Groups updated (3)

Status	Path	Size	Limits
✅	All Plugins(esm2015)[gzip] ./-plugin/esm2015/**/.js	110.55KB (+1.07KB +0.97%)	+1%
❌	All Plugins(umd)[gzip] ./-plugin/bundles/.umd.js	38.49KB (+587B +1.51%)	+1%
❌	All Plugins(fesm2015)[gzip] ./-plugin/fesm2015/.js	19.2KB (+322B +1.67%)	+1%

Final result: ❌

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[bundlemon]

BundleMon (Integration Projects)

Files updated (2)

Status	Path	Size	Limits
✅	Main bundles(Gzip) hello-world-ng14-ivy/dist-integration/main.(h ash).js	64.81KB (-13B -0.02%)	+1%
✅	Main bundles(Gzip) hello-world-ng13-ivy/dist-integration/main.(h ash).js	69.81KB (-28B -0.04%)	+1%

Unchanged files (1)

Status	Path	Size	Limits
✅	Main bundles(Gzip) hello-world-ng12-ivy/dist-integration/main.(h ash).js	67.96KB	+1%

Total files change -51B -0.02%

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

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[codeclimate]

Code Climate has analyzed commit 09bd789 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 96.7% (0.0% change).

View more on Code Climate.