Huge number of updates, too tired to list them all

+ Added a bunch of API handler classes that will use the already created models
+ Created a new Client class that will connect to new API handler classes
+ Created new collection classes

src/Model/Team.php

@@ -0,0 +1,114 @@
+<?php declare(strict_types=1);
+namespace Gitea\Models;
+
+/** Represents a team in an organization. */
+class Team implements \JsonSerializable {
+
+  /** @var string The team description. */
+  private $description = '';
+
+  /** @var int The team identifier. */
+  private $id;
+
+  /** @var string The team name. */
+  private $name;
+
+  /** @var string The team permission. */
+  private $permission = TeamPermission::none;
+
+  /**
+   * Creates a new team.
+   * @param int $id The team identifier.
+   * @param string $name The team name.
+   */
+  function __construct(int $id, string $name) {
+    $this->id = $id;
+    $this->setName($name);
+  }
+
+  /**
+   * Creates a new user from the specified JSON map.
+   * @param object $map A JSON map representing a user.
+   * @return static The instance corresponding to the specified JSON map.
+   */
+  static function fromJson(object $map): self {
+    return (new static(isset($map->id) && is_int($map->id) ? $map->id : -1, isset($map->name) && is_string($map->name) ? $map->name : ''))
+      ->setDescription(isset($map->description) && is_string($map->description) ? $map->description : '')
+      ->setPermission(isset($map->permission) && is_string($map->permission) ? $map->permission : TeamPermission::none);
+  }
+
+  /**
+   * Gets the team description.
+   * @return string The team description.
+   */
+  function getDescription(): string {
+    return $this->description;
+  }
+
+  /**
+   * Gets the team identifier.
+   * @return int The team identifier.
+   */
+  function getId(): int {
+    return $this->id;
+  }
+
+  /**
+   * Gets the team name.
+   * @return string The team name.
+   */
+  function getName(): string {
+    return $this->name;
+  }
+
+  /**
+   * Gets the team permission.
+   * @return string The team permission.
+   */
+  function getPermission(): string {
+    return $this->permission;
+  }
+
+  /**
+   * Converts this object to a map in JSON format.
+   * @return \stdClass The map in JSON format corresponding to this object.
+   */
+  function jsonSerialize(): \stdClass {
+    return (object) [
+      'description' => $this->getDescription(),
+      'id' => $this->getId(),
+      'name' => $this->getName(),
+      'permission' => $this->getPermission()
+    ];
+  }
+
+  /**
+   * Sets the team description.
+   * @param string $value The new description.
+   * @return $this This instance.
+   */
+  function setDescription(string $value): self {
+    $this->description = $value;
+    return $this;
+  }
+
+  /**
+   * Sets the team name.
+   * @param string $value The new name.
+   * @return $this This instance.
+   */
+  function setName(string $value): self {
+    $this->name = $value;
+    return $this;
+  }
+
+  /**
+   * Sets the team permission.
+   * @param string $value The new permission.
+   * @return $this This instance.
+   */
+  function setPermission(string $value): self {
+    $this->permission = TeamPermission::coerce($value, TeamPermission::none);
+    return $this;
+  }
+}