The 1st rule of planning a day hike is safety-that of yours and others.But first, yours. If something happens -God Forbid-to you, you won’t be able to help anyone else. Although I’ve been hiking for years, I’ll admit I’m pretty new to this- be -prepared – and – cram – all – this -stuff in- your -backpack- and- lug -it- with -you – all -day thing. So, I’m preparing to do the  Cape Chignecto Eatonville day hike very soon.I’m consulting my manual and gathering things and hefting the bag to gauge the weight. I even agonized over the backpack-one that has easy water bottle access and is not too heavy,…