Improve issue & pull-request templates (connectors, LB3)

[bajtos]

Copy the pull request and issue templates from loopback (see .github) to the following repositories:

IMPORTANT: Make sure to change the CLA link in PULL_REQUEST_TEMPLATE to the correct repository-specific URL.

LB3 core:

• loopback - see Improve issue & pull-request templates strongloop/loopback#4266 and chore: fix eslint violations strongloop/loopback#4283
• strong-remoting - see Improve issue & pull-request templates  strongloop/strong-remoting#473 and chore: disable security issue reporting strongloop/strong-remoting#477
• loopback-datasource-juggler - see Improve issue & pull-request templates loopback-datasource-juggler#1779 and chore: disable security issue reporting loopback-datasource-juggler#1792

Connectors:

• loopback-connector - see Improve issue & pull-request templates loopback-connector#158 and chore: disable security issue reporting loopback-connector#160
• loopback-connector-mysql - see chore: improve issue and PR templates loopback-connector-mysql#404
• loopback-connector-postgresql - see chore: improve issue and PR templates loopback-connector-postgresql#400
• loopback-connector-mssql - see chore: improve issue and PR templates loopback-connector-mssql#217
• loopback-connector-oracle - see chore: improve issue and PR templates loopback-connector-oracle#196
• loopback-connector-db2 - see chore: improve issue and PR templates loopback-connector-db2#141
• loopback-connector-mongodb - see chore: improve issue and PR templates loopback-connector-mongodb#551
• loopback-connector-couchdb2 - see chore: improve issue and PR templates loopback-connector-couchdb2#70
• loopback-connector-cloudant - see chore: improve issue and PR templates loopback-connector-cloudant#228
• loopback-connector-cassandra - see chore: improve issue and PR templates loopback-connector-cassandra#85
• loopback-connector-remote - see chore: improve issue and PR templates strongloop/loopback-connector-remote#101
• loopback-connector-rest - see chore: improve issue and PR templates loopback-connector-rest#143
• loopback-connector-soap - see chore: improve issue and PR templates loopback-connector-soap#110
• loopback-connector-jsonrpc - see chore: improve issue and PR templates strongloop/loopback-connector-jsonrpc#26
• loopback-connector-openapi - see chore: improve issue and PR templates loopback-connector-openapi#6
• loopback-connector-kv-redis - see chore: improve issue and PR templates loopback-connector-kv-redis#49
• loopback-connector-grpc - see chore: improve issue and PR templates loopback-connector-grpc#11
• loopback-connector-mqlight - see chore: improve issue and PR templates strongloop/loopback-connector-mqlight#48
• loopback-connector-dashdb - see chore: improve issue and PR templates loopback-connector-dashdb#90
• loopback-connector-kv-extreme-scale - see chore: improve issue and PR templates loopback-connector-kv-extreme-scale#25

LB3 components:

• loopback-component-passport - see chore: improve issue and PR templates strongloop/loopback-component-passport#277
• loopback-component-storage - see chore: improve issue and PR templates strongloop/loopback-component-storage#281
• loopback-component-push - see chore: improve issue and PR templates strongloop/loopback-component-push#190
• loopback-component-explorer - see chore: improve issue and PR templates strongloop/loopback-component-explorer#267
• loopback-component-oauth2 - see chore: improve issue and PR templates strongloop/loopback-component-oauth2#87

[dhmlau]

@bajtos, I've added a few more repos per your request. I'm not sure if the following also are considered as LB3 core.

• loopback-boot - chore: improve issue and PR templates strongloop/loopback-boot#300
• generator-loopback - chore: improve issue and PR templates strongloop/generator-loopback#414
• loopback-workspace - chore: improve issue and PR templates strongloop/loopback-workspace#560
• loopback-context - chore: improve issue and PR templates strongloop/loopback-context#51
• loopback-phase - chore: improve issue and PR templates strongloop/loopback-phase#30
• loopback-filters - chore: improve issue and PR templates strongloop/loopback-filters#33
• strong-globalize -> don't have access to this repo

I'm referencing the list in here https://github.com/strongloop-internal/scrum-apex/blob/master/repo-list.md.

[dhmlau]

@nabdelgadir, as discussed, please take this task as a background task, doesn't need to do it all at once. Thank you!!

[bajtos]

I am experimenting with a slightly different configuration in loopback-next, see #4030