[MM-53968] Includes mattermost-plugin-api into the mono repo (#24235)

Include https://github.com/mattermost/mattermost-plugin-api into the mono repo

Co-authored-by: Jesse Hallam <jesse.hallam@gmail.com>
Co-authored-by: Michael Kochell <mjkochell@gmail.com>
Co-authored-by: Alejandro García Montoro <alejandro.garciamontoro@gmail.com>
Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>
Co-authored-by: Alex Dovenmuehle <alex.dovenmuehle@mattermost.com>
Co-authored-by: Michael Kochell <6913320+mickmister@users.noreply.github.com>
Co-authored-by: Christopher Poile <cpoile@gmail.com>
Co-authored-by: İlker Göktuğ Öztürk <ilkergoktugozturk@gmail.com>
Co-authored-by: Shota Gvinepadze <wineson@gmail.com>
Co-authored-by: Ali Farooq <ali.farooq0@pm.me>
Co-authored-by: Maria A Nunez <maria.nunez@mattermost.com>
Co-authored-by: Daniel Espino García <larkox@gmail.com>
Co-authored-by: Christopher Speller <crspeller@gmail.com>
Co-authored-by: Alex Dovenmuehle <adovenmuehle@gmail.com>
Co-authored-by: Szymon Gibała <szymongib@gmail.com>
Co-authored-by: Lev <1187448+levb@users.noreply.github.com>
Co-authored-by: Jason Frerich <jason.frerich@mattermost.com>
Co-authored-by: Agniva De Sarker <agnivade@yahoo.co.in>
Co-authored-by: Artur M. Wolff <artur.m.wolff@gmail.com>
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Co-authored-by: Joe <security.joe@pm.me>
Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com>
Co-authored-by: José Peso <trilopin@users.noreply.github.com>

server/public/pluginapi/experimental/bot/logger/default_logger.go

@@ -0,0 +1,82 @@
+// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
+// See License for license information.
+
+package logger
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/mattermost/mattermost/server/public/pluginapi/experimental/common"
+)
+
+type defaultLogger struct {
+	logContext LogContext
+	logAPI     common.LogAPI
+}
+
+/*
+New creates a new logger.
+
+- api: LogAPI implementation
+*/
+func New(api common.LogAPI) Logger {
+	l := &defaultLogger{
+		logAPI: api,
+	}
+	return l
+}
+
+func (l *defaultLogger) With(logContext LogContext) Logger {
+	newLogger := *l
+	if len(newLogger.logContext) == 0 {
+		newLogger.logContext = map[string]interface{}{}
+	}
+	for k, v := range logContext {
+		newLogger.logContext[k] = v
+	}
+	return &newLogger
+}
+
+func (l *defaultLogger) WithError(err error) Logger {
+	newLogger := *l
+	if len(newLogger.logContext) == 0 {
+		newLogger.logContext = map[string]interface{}{}
+	}
+	newLogger.logContext[ErrorKey] = err.Error()
+	return &newLogger
+}
+
+func (l *defaultLogger) Context() LogContext {
+	return l.logContext
+}
+
+func (l *defaultLogger) Timed() Logger {
+	return l.With(LogContext{
+		timed: time.Now(),
+	})
+}
+
+func (l *defaultLogger) Debugf(format string, args ...interface{}) {
+	measure(l.logContext)
+	message := fmt.Sprintf(format, args...)
+	l.logAPI.LogDebug(message, toKeyValuePairs(l.logContext)...)
+}
+
+func (l *defaultLogger) Errorf(format string, args ...interface{}) {
+	measure(l.logContext)
+	message := fmt.Sprintf(format, args...)
+	l.logAPI.LogError(message, toKeyValuePairs(l.logContext)...)
+}
+
+func (l *defaultLogger) Infof(format string, args ...interface{}) {
+	measure(l.logContext)
+	message := fmt.Sprintf(format, args...)
+	l.logAPI.LogInfo(message, toKeyValuePairs(l.logContext)...)
+}
+
+func (l *defaultLogger) Warnf(format string, args ...interface{}) {
+	measure(l.logContext)
+	message := fmt.Sprintf(format, args...)
+	l.logAPI.LogWarn(message, toKeyValuePairs(l.logContext)...)
+}