New license request: LGPL variant

**License Homepage URL**

https://github.com/KDE/plasmate/blob/master/plasmate/templates/mainKWinScript.js

**License Notes**

This is a variant of https://github.com/aboutcode-org/scancode-toolkit/blob/develop/src/licensedcode/data/rules/lgpl-2.1-plus_5.RULE because it has an extra word (`Lesser`) in the last paragraph.

```
"license_detections": [
{
"license_expression": "lgpl-2.1-plus",
"license_expression_spdx": "LGPL-2.1-or-later",
"matches": [
{
"license_expression": "lgpl-2.1-plus",
"license_expression_spdx": "LGPL-2.1-or-later",
"from_file": "mainKWinScript.js",
"start_line": 4,
"end_line": 17,
"matcher": "3-seq",
"score": 89.57,
"matched_length": 103,
"match_coverage": 89.57,
"rule_relevance": 100,
"rule_identifier": "lgpl-2.1-plus_5.RULE",
"rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/lgpl-2.1-plus_5.RULE"
}
],
"identifier": "lgpl_2_1_plus-5e3747b1-0597-b3fb-85a9-4c87725eaf35"
}
],

```